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Theaflavins 茶黄素
80%
60%
40%
Theaflavin(TF1) (%) 茶黄素(%)
0-20
10-20
5-15
Theaflavin-3-gallate(TF2a) (%) 茶黄素-3-没食子酸酯(%)
20-40
15-25
10-20
Theaflavin-3-gallate(TF2b) (%) 茶黄素-3-没食子酸酯(%)
5-25
5-15
0-10
Theaflavin-3,3’-digallate(TF3) (%) 茶黄素-3,3-双没食子酸酯(%)
20-40
15-25
10-20
Catechin (%) 儿茶素(%)
-
20min
25min
茶黄素产品规格 Specification of Theaflavin
项目 Item
指标 Specification
测试方法 Test Method
性状Appearance
橙黄色或红褐色粉末 Saffron-yellow to reddish-brown powder
Visual
水分Moisture(%)
≤6.0
105℃,4hours
灰分Ash(%)
≤5
GB/T5009.4
目数ParticleSize(%)
≥ 100% pass 60 mesh
60 mesh screen
茶黄素 Theaflavin(%)
80,60,40
HPLC
咖啡因 Caffeine(%)
0.5-10
HPLC
重金属HeavyMetals(ppm)
 
 
铅Lead(ppm)
≤5.0
GB/T5009.75
砷Arsenic(ppm)
≤2.0
GB/T5009.76
汞Mercury(ppm)
≤0.5
GB/T5009.17
微生物检验 Microbiological Assay
 
 
菌落总数TotalBacteria(cfu/g)
≤1000
GB/T4789.2
霉菌及酵母菌Yeast&Mold(cfu/g)
≤100
GB/T4789.15
大肠菌群E.coli
不得检出Negative
GB/T4789.4
沙门氏菌 Salmonella
不得检出Negative
GB/T4789.3